Re: [PATCH v4 1/2] tpm: Unify the send callback behaviourä

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On Fri, Feb 08, 2019 at 03:32:32PM -0500, Stefan Berger wrote:
> On 2/8/19 3:23 PM, Jarkko Sakkinen wrote:
> > On Fri, Feb 08, 2019 at 02:27:31PM -0500, Stefan Berger wrote:
> > > On 2/8/19 2:17 PM, Jarkko Sakkinen wrote:
> > > >    */
> > > > if (rc > 0) {
> > > > 	dev_warn(&chip->dev,
> > > > 		 "%s: send(): invalid value %d\n", __func__, rc);
> > > > 	rc = 0;
> > > > }
> > > > 
> > > > Should be fairly safe play now.
> > > Unfortuantely it isn't. You seemed to have lost the
> > > EXPORT_SYMBOL_GPL(tpm_chip_start/stop) and the tpm_chip_start/stop around
> > > the tpm2_shutdown()...
> > OK, now those fixes are back. In tpm_pm_shutdown() case you need also
> > take the lock.
> 
> tpm_del_char_device also needs the start/stop!

Done and updated the commit message to have all the call sites:

    * tpm_chip_register()
    * tpm_class_shutdown()
    * tpm_del_char_device()
    * tpm_pm_suspend()
    * tpm_try_get_ops() and tpm_put_ops()
    * tpm2_del_space()

/Jarkko



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